NOKTH AMERICAN CONCHOLOGY. 81 



[Bulletin Zoologique.] 

 Page. 



72 Remarks on same (Am. Monthly Jouru.) 



80 Observations on the genus Unio by Mr. Lea (pp. 80-85 are full of 



notes on the Synonymy of Mr. Lea's species.) 



82 Unio ellipsis Lea ^ U. olivarius Raf. 



82 irroratus Lea = U. stegarius Raf. 



83 ruhiginosus Lea = U. flavus Raf. 

 83 sulcatus Lea = U. obliquatus Rof. 

 83 planulatus Lea ^ U. fasciolaris Raf. 

 83 circulus Lea = U. subrotundus Raf. 

 83 occidens Lea = U. cardium Raf 



83 securis Lea = U. lineolatus Raf 



83 zig-zag Lea =r U. nervosus Raf 



83 patulus Lea = XJ. cuneatus Raf 



83 Sjjmphtjnola Ixvissima Lea = U. Ohioensis Raf 



83 tenuissima Lea = U. leptodon Rif 



83 f/njo trupezoldes Lea = U. interruptus Say. 



83 multiplicatus Lea = U. heros 5«.y. 



83 asperrimus Lea =: U. quadrulus ^iVf/*. 



83 oriens Lea = Anodonta lata Raf 



83 brevidens Lea = U. interruptus Raf 



83 s<a;3es Lea ^ U. retusus Raf 



83 pustulatus Lea = U. nodulatus Raf 



83 anodontoides Lea = U. teres /i"/. 



83 elegans Lea ^ U. truncatus /i!"/. 



83 ebenus Lea ^ U. obovalis Raf 



83 as/)er Lea = U. apiculatus Say. 



83 fahalis Lea = U. lapillus Say. 



83 soleniformis Lea = Alasmodonta monodonta. 



83 varicosus Lea = U. cicatricosus 6'"//. 



83 cuprimis Lea = U. metallicus Say. 



83 obesus Lea = U- carolinianus /jn-sr. 



84 pyramidatus Lea = U. mytiloides /ih/. 

 84 trigonus Lea = T7. undatus Barnes. 



84 formosus Lea = U. triqueter i??'/. 



84 perplexns ±.ea = XJ. gibbosus Raf. 



84 arcarformis Lea = U. nexus -SWy. ^^ 



84 subovatus Lea = U. flexuosus Raf 



84 Sijmphynotn benedictcnais Lea = Anodonta. 



84 discoiden Lea ^ Anodonta folium. 



84 Anodonta I'Wussadana Lea = Alasmodonta edentula Say? 



84 incerta Lea = A. imbecillis .SV/y ? 



85 Unio capillaris Lea = U. personatus Say? 

 85 geometricus Lea :^ U. declivis Say, 



